Decker Instruments

Over 40 Years Specializing in Lafayette and Stoelting Polygraphs

More than a Hundred reconditioned Polygraphs Instruments to choose from ...

The late Mr. Ronald Decker was the founder of Decker Instruments and a highly dedicated polygraph professional for over 40 years. As a seasoned polygraph examiner, former Director of the Department of Defense ...

Our "World Class" service will have your Polygraph Instrument back to full factory specification in days not weeks. We offer our customers with highest quality service using original manufacture replacement parts ...